有的，联系方式： 上海：
                 Intertek Minerals China
                 +86 21 6485 5558 x 839 office
                  +86 21 6354 6166 fax
                  +86 1380 179 4214 mobile
                  jonson.liu@intertek.com
                 天津：
                 Intertek Minerals China
                  +86 22 25327795 x 111 office
                  +86 22 25327796 fax
                  +86 13920807673 mobile
                  roy.zhang@intertek.com